Chair



FIG. 1 is a front view of the chair showing my design;

FIG. 2 is a back view of the chair showing my design;

FIG. 3 is a side view of the chair showing my design;

FIG. 4 is a top view of the chair showing my design; and

FIG. 5 is a bottom view of the chair showing my design. 

The ornamental design for a chair, as shown and described. 